Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-11733cea-112d-11f0-8aa2-6045bddbd77f

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

a97d7abb

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-06b9e8ce-5b4e-443f-a6c5-0f108f763b54

Comm: tcp://127.0.0.1:43665	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:36681	Total threads: 1
Dashboard: http://127.0.0.1:39713/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:44209
Local directory: /tmp/dask-scratch-space/worker-ug8u8njc

Worker: 1

Comm: tcp://127.0.0.1:45721	Total threads: 1
Dashboard: http://127.0.0.1:39907/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:35869
Local directory: /tmp/dask-scratch-space/worker-nkdsxcco

Worker: 2

Comm: tcp://127.0.0.1:42889	Total threads: 1
Dashboard: http://127.0.0.1:41305/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:36417
Local directory: /tmp/dask-scratch-space/worker-eqdll5np

Worker: 3

Comm: tcp://127.0.0.1:46541	Total threads: 1
Dashboard: http://127.0.0.1:46799/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:38899
Local directory: /tmp/dask-scratch-space/worker-szhiqb3g

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)